136121024 has 84 divisors (see below), whose sum is σ = 302203104. Its totient is φ = 60446208.

The previous prime is 136121021. The next prime is 136121059. The reversal of 136121024 is 420121631.

It is a junction number, because it is equal to n+sod(n) for n = 136120987 and 136121005.

It is not an unprimeable number, because it can be changed into a prime (136121021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2307107 + ... + 2307165.

It is an arithmetic number, because the mean of its divisors is an integer number (3597656).

Almost surely, 2^136121024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136121024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151101552).

136121024 is an abundant number, since it is smaller than the sum of its proper divisors (166082080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136121024 is an equidigital number, since it uses as much as digits as its factorization.

136121024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 136121024 is about 11667.0914970270. The cubic root of 136121024 is about 514.4088154465.

Adding to 136121024 its reverse (420121631), we get a palindrome (556242655).

The spelling of 136121024 in words is "one hundred thirty-six million, one hundred twenty-one thousand, twenty-four".